﻿/* 
* Copyright (c) 2010, The University of Texas at Austin
* All rights reserved.
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice, 
* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice, 
* this list of conditions and the following disclaimer in the documentation and/or other materials 
* provided with the distribution.
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* Neither the name of The University of Texas at Austin nor the names of its contributors may be 
* used to endorse or promote products derived from this software without specific prior written 
* permission.
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using System;
using System.Collections.Generic;
using System.Diagnostics;
using Bio.Data.Interfaces;
using Bio.SharedResources.Interfaces;
using Bio.Views.Structure.Editor.ViewModels;

namespace Bio.Views.Structure.Editor.Linking
{
    public class LinkedSecondaryStructureEditorProxy : ILinkableStructureView
    {
        #region ILinkableStructureView Members

        public event EventHandler VisibleStructureModelChanged;
        public event EventHandler VisibleStructureModelSelectionChanged;
        public event EventHandler StructureModelsAvailableChanged;

        public int SelectedStructureElementID
        {
            get { return WrappedVM.SelectedElementID; }
        }

        public StructureElementType SelectedStructureElementType 
        {
            get { return WrappedVM.ElementSelectionModeAsStructureElementType; }
        }
        
        public IStructureModelBioEntity VisibleStructureModel 
        {
            get { return WrappedVM.CurrentStructure.Entity; }
        }

        public IList<IStructureModelBioEntity> StructureModels
        {
            get { return WrappedVM.LoadedModels; }
        }

        public string ID { get; private set; }

        public IEnumerable<int> GetSelectedStructureElementNucleotideIndices()
        {
            return WrappedVM.SelectedStructureElementNucleotideIndices;
        }

        #endregion

        internal LinkedSecondaryStructureEditorProxy(SecondaryStructureEditorViewModel wrappedVM)
        {
            Debug.Assert(wrappedVM != null);
            WrappedVM = wrappedVM;
            ID = Guid.NewGuid().ToString();
        }

        internal void FireVisibleStructureModelChangedEvent()
        {
            if(VisibleStructureModelChanged != null)
                VisibleStructureModelChanged(this, EventArgs.Empty);
        }

        internal void FireVisibleStructureModelSelectionChangedEvent()
        {
            if (VisibleStructureModelSelectionChanged != null)
                VisibleStructureModelSelectionChanged(this, EventArgs.Empty);
        }

        internal void FireStructureModelsAvailableChangedEvent()
        {
            if (StructureModelsAvailableChanged != null)
                StructureModelsAvailableChanged(this, EventArgs.Empty);
        }

        private SecondaryStructureEditorViewModel WrappedVM { get; set; }        
    }
}
